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<h1>src/qvblockprogramming/qvguiblocks/qvdesigner/facade/itemfactory.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *      Copyright (C) 2008, 2009, 2010, 2011, 2012. PARP Research Group.</span>
<a name="l00003"></a>00003 <span class="comment"> *      &lt;http://perception.inf.um.es&gt;</span>
<a name="l00004"></a>00004 <span class="comment"> *      University of Murcia, Spain.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> *      This file is part of the QVision library.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> *      QVision is free software: you can redistribute it and/or modify</span>
<a name="l00009"></a>00009 <span class="comment"> *      it under the terms of the GNU Lesser General Public License as</span>
<a name="l00010"></a>00010 <span class="comment"> *      published by the Free Software Foundation, version 3 of the License.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> *      QVision is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> *      but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00015"></a>00015 <span class="comment"> *      GNU Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> *      You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> *      License along with QVision. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <span class="preprocessor">#include &quot;itemfactory.h&quot;</span>
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;typeinfo&gt;</span>
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;QVApplication&gt;</span>
<a name="l00027"></a>00027 <span class="comment">//#include &lt;QVMPlayerCamera&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;QVProcessingBlock&gt;</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;QVPointBlock&gt;</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;QVImageCanvas&gt;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;QVNumericPlot&gt;</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;QVHistogramPlot&gt;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;QVFunctionPlot&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;QVCPUPlot&gt;</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;QVSynchronizerBlock&gt;</span>
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="preprocessor">#ifdef QVIPP</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include &lt;QVGraphsBlock&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;QVFilterSelectorBlock&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;QVYUV4MPEG2WriterBlock&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;QVYUV4MPEG2ReaderBlock&gt;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &lt;QVImageRetarderBlock&gt;</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;QVImageMeansBlock&gt;</span>
<a name="l00047"></a>00047 <span class="preprocessor">#endif</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="comment">/*#ifdef QVMPLAYER</span>
<a name="l00050"></a>00050 <span class="comment">#include &lt;QVMPlayerReaderBlock&gt;</span>
<a name="l00051"></a>00051 <span class="comment">#endif*/</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include &lt;QVVideoReaderBlock&gt;</span>
<a name="l00053"></a>00053 
<a name="l00055"></a>00055 ItemFactory::ItemFactory(): QObject()
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057     inputItems.insert(<span class="stringliteral">&quot;Input node&quot;</span>, QList&lt;QString&gt;());
<a name="l00058"></a>00058 <span class="preprocessor">    #ifdef QVMPLAYER</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span>    inputItems[<span class="stringliteral">&quot;Input node&quot;</span>].append(<span class="stringliteral">&quot;QVMPlayerReaderBlock&quot;</span>);
<a name="l00060"></a>00060 <span class="preprocessor">    #endif</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor">    #ifdef QVIPP</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>    inputItems[<span class="stringliteral">&quot;Input node&quot;</span>].append(<span class="stringliteral">&quot;QVYUV4MPEG2ReaderBlock&quot;</span>);
<a name="l00063"></a>00063 <span class="preprocessor">    #endif</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>    inputItems[<span class="stringliteral">&quot;Input node&quot;</span>].append(<span class="stringliteral">&quot;QVPointBlock&quot;</span>);
<a name="l00065"></a>00065 
<a name="l00066"></a>00066     outputItems.insert(<span class="stringliteral">&quot;Output node&quot;</span>, QList&lt;QString&gt;());
<a name="l00067"></a>00067     outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVImageCanvas&quot;</span>);
<a name="l00068"></a>00068     outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVNumericPlot&quot;</span>);
<a name="l00069"></a>00069     outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVHistogramPlot&quot;</span>);
<a name="l00070"></a>00070     outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVFunctionPlot&quot;</span>);
<a name="l00071"></a>00071     outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVCPUPlot&quot;</span>);
<a name="l00072"></a>00072 <span class="preprocessor">    #ifdef QVIPP</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>    outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVYUV4MPEG2WriterBlock&quot;</span>);
<a name="l00074"></a>00074 <span class="preprocessor">    #endif</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>    outputItems[<span class="stringliteral">&quot;Output node&quot;</span>].append(<span class="stringliteral">&quot;QVSynchronizer&quot;</span>);
<a name="l00076"></a>00076 
<a name="l00077"></a>00077     middleItems.insert(<span class="stringliteral">&quot;QVision block&quot;</span>, QList&lt;QString&gt;());
<a name="l00078"></a>00078 <span class="preprocessor">    #ifdef QVIPP</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>    middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVGraphsBlock&quot;</span>);
<a name="l00080"></a>00080     middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVFilterSelectorBlock&lt;uchar,1&gt;&quot;</span>);
<a name="l00081"></a>00081     middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVFilterSelectorBlock&lt;uchar,3&gt;&quot;</span>);
<a name="l00082"></a>00082     middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVImageRetarderBlock&lt;uchar,3&gt;&quot;</span>);
<a name="l00083"></a>00083     middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVImageRetarderBlock&lt;uchar,1&gt;&quot;</span>);
<a name="l00084"></a>00084     middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVImageMeans&lt;uChar,1&gt;&quot;</span>);
<a name="l00085"></a>00085     middleItems[<span class="stringliteral">&quot;QVision block&quot;</span>].append(<span class="stringliteral">&quot;QVImageMeans&lt;uChar,3&gt;&quot;</span>);
<a name="l00086"></a>00086 
<a name="l00087"></a>00087     <span class="comment">// Añadimos los tipos de las IPP.</span>
<a name="l00088"></a>00088     QMap&lt;QString, QString&gt; ippBlocks = <a class="code" href="group__qvippblocks.html#ga1883f25501e43b27bfa546e9bd7771f3" title="Provides a full list of the names of all IPP blocks.">getQVIPPBlocksNames</a>();
<a name="l00089"></a>00089     <span class="keywordflow">foreach</span>(QString ippGroup, ippBlocks.keys())
<a name="l00090"></a>00090         {
<a name="l00091"></a>00091         middleItems.insert(ippGroup, QList&lt;QString&gt;());
<a name="l00092"></a>00092         <span class="keywordflow">foreach</span>(QString qvippBlockName, ippBlocks.values(ippGroup))
<a name="l00093"></a>00093             middleItems[ippGroup].append(qvippBlockName);
<a name="l00094"></a>00094         }
<a name="l00095"></a>00095 <span class="preprocessor">    #endif</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span>
<a name="l00097"></a>00097     <span class="comment">// Añadimos los tipos creados por el usuario.</span>
<a name="l00098"></a>00098 <span class="comment">/*      foreach(QVPropertyContainer* qvp, qvApp-&gt;getQVPropertyContainers()) {</span>
<a name="l00099"></a>00099 <span class="comment">        QVProcessingBlock* block;</span>
<a name="l00100"></a>00100 <span class="comment">        if((block = dynamic_cast&lt;QVProcessingBlock*&gt;(qvp)) != NULL)</span>
<a name="l00101"></a>00101 <span class="comment">            middleItems.append(block.getName());</span>
<a name="l00102"></a>00102 <span class="comment">        }*/</span>
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 
<a name="l00105"></a>00105 QMap&lt;QString, QList&lt;QString&gt; &gt; ItemFactory::getItemTypes()<span class="keyword"> const</span>
<a name="l00106"></a>00106 <span class="keyword"></span>{
<a name="l00107"></a>00107     QMap&lt;QString, QList&lt;QString&gt; &gt; items = inputItems;
<a name="l00108"></a>00108 
<a name="l00109"></a>00109     <span class="keywordflow">foreach</span>(QString group, middleItems.keys()) {
<a name="l00110"></a>00110         <span class="keywordflow">if</span> (items.contains(group))
<a name="l00111"></a>00111             items[group] = items.value(group) + middleItems.value(group);
<a name="l00112"></a>00112         <span class="keywordflow">else</span>
<a name="l00113"></a>00113             items.insert(group, middleItems.value(group));
<a name="l00114"></a>00114     }
<a name="l00115"></a>00115 
<a name="l00116"></a>00116     <span class="keywordflow">foreach</span>(QString group, outputItems.keys()) {
<a name="l00117"></a>00117         <span class="keywordflow">if</span> (items.contains(group))
<a name="l00118"></a>00118             items[group] = items.value(group) + outputItems.value(group);
<a name="l00119"></a>00119         <span class="keywordflow">else</span>
<a name="l00120"></a>00120             items.insert(group, outputItems.value(group));
<a name="l00121"></a>00121     }
<a name="l00122"></a>00122 
<a name="l00123"></a>00123     <span class="keywordflow">return</span> items;
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 
<a name="l00126"></a>00126 QMap&lt;QString, QList&lt;QString&gt; &gt; ItemFactory::getInputItemTypes()<span class="keyword"> const</span>
<a name="l00127"></a>00127 <span class="keyword"></span>{
<a name="l00128"></a>00128     <span class="keywordflow">return</span> inputItems;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 
<a name="l00131"></a>00131 QMap&lt;QString, QList&lt;QString&gt; &gt; ItemFactory::getMiddleItemTypes()<span class="keyword"> const</span>
<a name="l00132"></a>00132 <span class="keyword"></span>{
<a name="l00133"></a>00133     <span class="keywordflow">return</span> middleItems;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 
<a name="l00136"></a>00136 QMap&lt;QString, QList&lt;QString&gt; &gt; ItemFactory::getOutputItemTypes()<span class="keyword"> const</span>
<a name="l00137"></a>00137 <span class="keyword"></span>{
<a name="l00138"></a>00138     <span class="keywordflow">return</span> outputItems;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 
<a name="l00141"></a>00141 <a class="code" href="classQVPropertyContainer.html" title="Base class for dynamic property container objects.">QVPropertyContainer</a> *ItemFactory::createContainer(QString type, QString name)<span class="keyword"> const</span>
<a name="l00142"></a>00142 <span class="keyword"></span>{
<a name="l00143"></a>00143 <span class="preprocessor">    #ifdef QVIPP</span>
<a name="l00144"></a>00144 <span class="preprocessor"></span>    <a class="code" href="classQVPropertyContainer.html" title="Base class for dynamic property container objects.">QVPropertyContainer</a> *qvippBlock = <a class="code" href="group__qvippblocks.html#ga6d6ed97ce3edab2cd8dfdf4e4edcb3ae" title="Creates an IPP block object, given its class name.">newQVIPPBlock</a>(type, name);
<a name="l00145"></a>00145     <span class="keywordflow">if</span> (qvippBlock != NULL)
<a name="l00146"></a>00146         <span class="keywordflow">return</span> qvippBlock;
<a name="l00147"></a>00147 <span class="preprocessor">    #endif</span>
<a name="l00148"></a>00148 <span class="preprocessor"></span>    <span class="comment">/*else if (type == &quot;QVMPlayerCamera&quot;) {</span>
<a name="l00149"></a>00149 <span class="comment">        QVMPlayerCamera* mpc = new QVMPlayerCamera(name);</span>
<a name="l00150"></a>00150 <span class="comment">        if (mpc-&gt;getPropertyValue&lt;QString&gt;(&quot;URL&quot;).isEmpty())</span>
<a name="l00151"></a>00151 <span class="comment">            mpc-&gt;setPropertyValue(&quot;URL&quot;, QString(&quot;http://perception.inf.um.es/public_data/videos/misc/penguin.dv&quot;));</span>
<a name="l00152"></a>00152 <span class="comment">        return mpc;</span>
<a name="l00153"></a>00153 <span class="comment">    }*/</span>
<a name="l00154"></a>00154 
<a name="l00155"></a>00155     <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVImageCanvas&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVImageCanvas.html" title="Display widget for QVImage objects and other data types.">QVImageCanvas</a>(name);
<a name="l00156"></a>00156     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVNumericPlot&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVNumericPlot.html" title="Class for plot graphs of block&amp;#39;s int or double properties.">QVNumericPlot</a>(name);
<a name="l00157"></a>00157     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVHistogramPlot&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVHistogramPlot.html" title="Widget for plotting QList&amp;lt;double&amp;gt; property values from a block, as an histogram...">QVHistogramPlot</a>(name);
<a name="l00158"></a>00158     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVFunctionPlot&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVFunctionPlot.html" title="Widget for plotting QList&amp;lt;double&amp;gt; property values from a block, as an histogram...">QVFunctionPlot</a>(name);
<a name="l00159"></a>00159     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVCPUPlot&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVCPUPlot.html" title="Class for plot graphs of block&amp;#39;s cpustat properties.">QVCPUPlot</a>(name);
<a name="l00160"></a>00160     <span class="comment">//else if (type == &quot;QVAdd_uCharC1Block&quot;) return new QVAdd_uCharC1Block(name);</span>
<a name="l00161"></a>00161     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVPointBlock&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVPointBlock(name);
<a name="l00162"></a>00162     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVSynchronizer&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVSynchronizer(name);
<a name="l00163"></a>00163     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVCPUPlot&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVCPUPlot.html" title="Class for plot graphs of block&amp;#39;s cpustat properties.">QVCPUPlot</a>(name);
<a name="l00164"></a>00164 
<a name="l00165"></a>00165 
<a name="l00166"></a>00166     <span class="comment">/*  #ifdef QVMPLAYER</span>
<a name="l00167"></a>00167 <span class="comment">    else if (type == &quot;QVMPlayerReaderBlock&quot;) {</span>
<a name="l00168"></a>00168 <span class="comment">        QVMPlayerReaderBlock* mpc = new QVMPlayerReaderBlock(name);</span>
<a name="l00169"></a>00169 <span class="comment">        if (mpc-&gt;getPropertyValue&lt;QString&gt;(&quot;URL&quot;).isEmpty())</span>
<a name="l00170"></a>00170 <span class="comment">            mpc-&gt;setPropertyValue(&quot;URL&quot;, QString(&quot;http://perception.inf.um.es/public_data/videos/misc/penguin.dv&quot;));</span>
<a name="l00171"></a>00171 <span class="comment">        return mpc;</span>
<a name="l00172"></a>00172 <span class="comment">    }</span>
<a name="l00173"></a>00173 <span class="comment">    #endif</span>
<a name="l00174"></a>00174 <span class="comment">    #ifdef QVIPP</span>
<a name="l00175"></a>00175 <span class="comment">    else if (type == &quot;QVYUV4MPEG2ReaderBlock&quot;) {</span>
<a name="l00176"></a>00176 <span class="comment">        QVYUV4MPEG2ReaderBlock* mpc = new QVYUV4MPEG2ReaderBlock(name);</span>
<a name="l00177"></a>00177 <span class="comment">        if (mpc-&gt;getPropertyValue&lt;QString&gt;(&quot;URL&quot;).isEmpty())</span>
<a name="l00178"></a>00178 <span class="comment">            mpc-&gt;setPropertyValue(&quot;URL&quot;, QString(&quot;http://perception.inf.um.es/public_data/videos/misc/penguin.dv&quot;));</span>
<a name="l00179"></a>00179 <span class="comment">        return mpc;</span>
<a name="l00180"></a>00180 <span class="comment">    }*/</span>
<a name="l00181"></a>00181     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVVideoReaderBlock&quot;</span>) { <span class="comment">// FIXME: still not tested (after video input system changes);</span>
<a name="l00182"></a>00182         <a class="code" href="classQVVideoReaderBlock.html" title="This is a generic video input processing block for the QVision architecture.">QVVideoReaderBlock</a>* mpc = <span class="keyword">new</span> <a class="code" href="classQVVideoReaderBlock.html" title="This is a generic video input processing block for the QVision architecture.">QVVideoReaderBlock</a>(name);
<a name="l00183"></a>00183         <span class="keywordflow">if</span> (mpc-&gt;<a class="code" href="classQVPropertyContainer.html#affc6008202b566e68ab20cec8b16a7ee" title="Method to get the actual value of a property.">getPropertyValue</a>&lt;QString&gt;(<span class="stringliteral">&quot;URL&quot;</span>).isEmpty())
<a name="l00184"></a>00184             mpc-&gt;<a class="code" href="classQVPropertyContainer.html#a0dc180ef52afef64e3d2522c91e7118c" title="Sets value for property.">setPropertyValue</a>(<span class="stringliteral">&quot;URL&quot;</span>, QString(<span class="stringliteral">&quot;http://perception.inf.um.es/public_data/videos/misc/penguin.dv&quot;</span>));
<a name="l00185"></a>00185         <span class="keywordflow">return</span> mpc;
<a name="l00186"></a>00186     }
<a name="l00187"></a>00187 <span class="comment">//    else if (type == &quot;QVYUV4MPEG2Camera&quot;) return new QVYUV4MPEG2ReaderBlock(name);</span>
<a name="l00188"></a>00188 <span class="preprocessor">        #ifdef QVIPP</span>
<a name="l00189"></a>00189 <span class="preprocessor"></span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVYUV4MPEG2WriterBlock&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classQVYUV4MPEG2WriterBlock.html" title="Video source class for reading many video file formats, webcams and digital cameras...">QVYUV4MPEG2WriterBlock</a>(name);
<a name="l00190"></a>00190     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVImageRetarderBlock&lt;uchar,3&gt;&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVImageRetarderBlock&lt;uchar, 3&gt;(name);
<a name="l00191"></a>00191     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVImageRetarderBlock&lt;uchar,1&gt;&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVImageRetarderBlock&lt;uchar, 1&gt;(name);
<a name="l00192"></a>00192     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVImageMeans&lt;uChar,1&gt;&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVImageMeans&lt;uChar, 1&gt;(name);
<a name="l00193"></a>00193     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVFilterSelectorBlock&lt;uchar,1&gt;&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVFilterSelectorBlock&lt;uchar, 1&gt;(name);
<a name="l00194"></a>00194     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVFilterSelectorBlock&lt;uchar,3&gt;&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVFilterSelectorBlock&lt;uchar, 3&gt;(name);
<a name="l00195"></a>00195     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">&quot;QVGraphsBlock&quot;</span>) <span class="keywordflow">return</span> <span class="keyword">new</span> QVGraphsBlock(name);
<a name="l00196"></a>00196 <span class="preprocessor">    #endif // QVIPP</span>
<a name="l00197"></a>00197 <span class="preprocessor"></span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (userBlocks.contains(type)) {
<a name="l00198"></a>00198         <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a> * newBlock = (<a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a> *)QMetaType::construct(userBlocks.value(type), (<span class="keywordtype">void</span> *)0);
<a name="l00199"></a>00199         newBlock-&gt;<a class="code" href="classQVPropertyContainer.html#a4571a5d7470e88fb2dd8595421c5967f" title="Sets a new string identifier for a QVPropertyContainer.">setName</a>(name);
<a name="l00200"></a>00200         <span class="keywordflow">return</span> newBlock;
<a name="l00201"></a>00201     }
<a name="l00202"></a>00202     <span class="keywordflow">return</span> 0;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 
<a name="l00205"></a>00205 <span class="keywordtype">bool</span> ItemFactory::deleteContainer(<a class="code" href="classQVPropertyContainer.html" title="Base class for dynamic property container objects.">QVPropertyContainer</a> *cont)<span class="keyword"> const</span>
<a name="l00206"></a>00206 <span class="keyword"></span>{
<a name="l00207"></a>00207     <span class="comment">// obtiene el nombre y el valor del tipo de la subclase concreta</span>
<a name="l00208"></a>00208     QString type = typeName(cont);
<a name="l00209"></a>00209 
<a name="l00210"></a>00210 <span class="comment">/*      // lo destruye dependiendo de como se ha creado</span>
<a name="l00211"></a>00211 <span class="comment">    if (isUserType(type))</span>
<a name="l00212"></a>00212 <span class="comment">        QMetaType::destroy(userBlocks.value(type), (void *)cont);</span>
<a name="l00213"></a>00213 <span class="comment">    else</span>
<a name="l00214"></a>00214 <span class="comment">        delete cont;*/</span>
<a name="l00215"></a>00215 
<a name="l00216"></a>00216     <span class="keyword">delete</span> cont;
<a name="l00217"></a>00217 
<a name="l00218"></a>00218     <span class="keywordflow">return</span> TRUE;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 
<a name="l00221"></a>00221 QString ItemFactory::containerType(<a class="code" href="classQVPropertyContainer.html" title="Base class for dynamic property container objects.">QVPropertyContainer</a> *cont)<span class="keyword"> const</span>
<a name="l00222"></a>00222 <span class="keyword"></span>{
<a name="l00223"></a>00223     <span class="comment">// obtiene el nombre y el valor del tipo de la subclase concreta</span>
<a name="l00224"></a>00224     <span class="keywordflow">return</span> QString(typeName(cont));
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 
<a name="l00227"></a>00227 <span class="keyword">const</span> QString ItemFactory::registerUserBlock(<a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a> * block)
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229     <span class="keyword">const</span> <span class="keywordtype">char</span> * choptypeidname = typeName(block);
<a name="l00230"></a>00230 
<a name="l00231"></a>00231     <span class="comment">// obtiene el nombre y el valor del tipo de la subclase concreta</span>
<a name="l00232"></a>00232     QString typeString(choptypeidname);
<a name="l00233"></a>00233     <span class="keywordtype">int</span> type = QMetaType::type(choptypeidname);
<a name="l00234"></a>00234 
<a name="l00235"></a>00235     <span class="comment">// almacena el subtipo concreto del objeto, si no existía ya y si estaba registrado en el sistema con qRegisterMetaType&lt;Type&gt;(&quot;Type&quot;)</span>
<a name="l00236"></a>00236     <span class="keywordtype">bool</span> middleItemsContainsType = <span class="keyword">false</span>;
<a name="l00237"></a>00237     <span class="keywordflow">foreach</span>(QList&lt;QString&gt; groupItems, middleItems.values())
<a name="l00238"></a>00238         <span class="keywordflow">if</span> (groupItems.contains(typeString)) {
<a name="l00239"></a>00239             middleItemsContainsType = <span class="keyword">true</span>;
<a name="l00240"></a>00240             <span class="keywordflow">break</span>;
<a name="l00241"></a>00241         }
<a name="l00242"></a>00242     <span class="keywordflow">if</span> ( (type != 0) &amp;&amp; (!middleItemsContainsType) ) {
<a name="l00243"></a>00243         <span class="keywordflow">if</span> (!middleItems.contains(<span class="stringliteral">&quot;User block&quot;</span>)) middleItems.insert(<span class="stringliteral">&quot;User block&quot;</span>, QList&lt;QString&gt;());
<a name="l00244"></a>00244         middleItems[<span class="stringliteral">&quot;User block&quot;</span>].append(typeString);
<a name="l00245"></a>00245         userBlocks.insert(typeString, type);
<a name="l00246"></a>00246         <span class="keywordflow">return</span> typeString;
<a name="l00247"></a>00247     }
<a name="l00248"></a>00248     <span class="keywordflow">return</span> QString();
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 
<a name="l00251"></a>00251 <span class="keywordtype">bool</span> ItemFactory::isUserType(QString type)<span class="keyword"> const</span>
<a name="l00252"></a>00252 <span class="keyword"></span>{
<a name="l00253"></a>00253     <span class="keywordflow">return</span> userBlocks.contains(type);
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255 
<a name="l00256"></a>00256 <span class="keyword">const</span> <span class="keywordtype">char</span> *ItemFactory::typeName(<a class="code" href="classQVPropertyContainer.html" title="Base class for dynamic property container objects.">QVPropertyContainer</a> *cont)<span class="keyword"> const</span>
<a name="l00257"></a>00257 <span class="keyword"></span>{
<a name="l00258"></a>00258     <span class="keywordtype">char</span> *qvippBlockName = NULL; <span class="comment">//QVIPPBlockName(cont);</span>
<a name="l00259"></a>00259     <span class="keywordflow">if</span> (qvippBlockName != NULL)
<a name="l00260"></a>00260         <span class="keywordflow">return</span> qvippBlockName;
<a name="l00261"></a>00261 
<a name="l00262"></a>00262     <span class="keywordflow">if</span>(dynamic_cast&lt;QVImageCanvas*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVImageCanvas&quot;</span>;
<a name="l00263"></a>00263     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVNumericPlot*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVNumericPlot&quot;</span>;
<a name="l00264"></a>00264     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVHistogramPlot*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVHistogramPlot&quot;</span>;
<a name="l00265"></a>00265     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVFunctionPlot*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVFunctionPlot&quot;</span>;
<a name="l00266"></a>00266     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVCPUPlot*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVCPUPlot&quot;</span>;
<a name="l00267"></a>00267     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVPointBlock*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVPointBlock&quot;</span>;
<a name="l00268"></a>00268     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVSynchronizer*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVSynchronizer&quot;</span>;
<a name="l00269"></a>00269 <span class="preprocessor">    #ifdef QVIPP</span>
<a name="l00270"></a>00270 <span class="preprocessor"></span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVGraphsBlock*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVGraphsBlock&quot;</span>;
<a name="l00271"></a>00271     <span class="comment">//else if(dynamic_cast&lt;QVYUV4MPEG2ReaderBlock*&gt;(cont) != NULL) return &quot;QVYUV4MPEG2Camera&quot;;</span>
<a name="l00272"></a>00272     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(dynamic_cast&lt;QVYUV4MPEG2WriterBlock*&gt;(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVYUV4MPEG2WriterBlock&quot;</span>;
<a name="l00273"></a>00273     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">dynamic_cast&lt;</span>QVFilterSelectorBlock&lt;uchar,1&gt;*<span class="keyword">&gt;</span>(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVFilterSelectorBlock&lt;uchar,1&gt;&quot;</span>;
<a name="l00274"></a>00274     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">dynamic_cast&lt;</span>QVFilterSelectorBlock&lt;uchar,3&gt;*<span class="keyword">&gt;</span>(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVFilterSelectorBlock&lt;uchar,3&gt;&quot;</span>;
<a name="l00275"></a>00275     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">dynamic_cast&lt;</span>QVImageRetarderBlock&lt;uchar,3&gt;*<span class="keyword">&gt;</span>(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVImageRetarderBlock&lt;uchar,3&gt;&quot;</span>;
<a name="l00276"></a>00276     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">dynamic_cast&lt;</span>QVImageRetarderBlock&lt;uchar,1&gt;*<span class="keyword">&gt;</span>(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVImageRetarderBlock&lt;uchar,1&gt;&quot;</span>;
<a name="l00277"></a>00277     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">dynamic_cast&lt;</span>QVImageMeans&lt;uChar,1&gt;*<span class="keyword">&gt;</span>(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVImageMeans&lt;uChar,1&gt;&quot;</span>;
<a name="l00278"></a>00278     <span class="keywordflow">else</span> <span class="keywordflow">if</span>(<span class="keyword">dynamic_cast&lt;</span>QVImageMeans&lt;uChar,3&gt;*<span class="keyword">&gt;</span>(cont) != NULL) <span class="keywordflow">return</span> <span class="stringliteral">&quot;QVImageMeans&lt;uChar,3&gt;&quot;</span>;
<a name="l00279"></a>00279 <span class="preprocessor">    #endif</span>
<a name="l00280"></a>00280 <span class="preprocessor"></span>
<a name="l00281"></a>00281     <span class="comment">// obtiene el tipo real del objeto (la sunclase concreta de block) en un formato char * de longitud+nombre (ejemplo: 8MyBlock)</span>
<a name="l00282"></a>00282     <span class="keyword">const</span> <span class="keywordtype">char</span> * typeidname = <span class="keyword">typeid</span>(*cont).name();
<a name="l00283"></a>00283 
<a name="l00284"></a>00284     <span class="comment">// se salta la pirmera parte de la cadena, la que contiene el número de caracteres del tipo</span>
<a name="l00285"></a>00285     <span class="keywordtype">int</span> i = 0;
<a name="l00286"></a>00286     <span class="keywordflow">while</span> ( (typeidname[i] != <span class="charliteral">&#39;\0&#39;</span>) &amp;&amp; ((typeidname[i] == <span class="charliteral">&#39;0&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;1&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;2&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;3&#39;</span>) ||
<a name="l00287"></a>00287             (typeidname[i] == <span class="charliteral">&#39;4&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;5&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;6&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;7&#39;</span>) || (typeidname[i] == <span class="charliteral">&#39;8&#39;</span>) ||
<a name="l00288"></a>00288             (typeidname[i] == <span class="charliteral">&#39;9&#39;</span>)) ) {
<a name="l00289"></a>00289         i++;
<a name="l00290"></a>00290     }
<a name="l00291"></a>00291     <span class="keywordflow">return</span> (typeidname + i*(<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>)));
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 
<a name="l00294"></a>00294 
</pre></div></div>
</td></tr></table>

<br /><hr><br />
<center><a href="http://perception.inf.um.es/QVision">QVision framework</a>.
<a href="http://perception.inf.um.es">PARP research group</a>.
Copyright &copy; 2007, 2008, 2009, 2010, 2011.</center>
<br />
</body>
</html>
